The TW1 3SQ postcode was located in Richmond upon Thames, Richmond upon Thames postcode town, within London, England region.
It is now a terminated postcode, it was a Small User postcode introduced in 1980-01 and terminated on 1994-12.
| Name | Type |
|---|---|
| OA21CD | E00019531 |
| LSOA21CD | E01003882 |
| MSOA21CD | E02000797 |
| MSOA21 | Twickenham Town |
| Postcode Area | TW1 |
| Ward | South Twickenham |
| LTLA22 | Richmond upon Thames |
| UTLA22 | Richmond upon Thames |
| Region | London |
| Country | England |
| Co-ordinates | [ -0.33079308423955667, 51.444999414522854 ] |